🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.49 AU - 0.55 AU

Year: 138 Days

Day: 32.6 Hours

Environment

Temp: 226 °C

Axial Tilt: 3.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.47 AU - 0.73 AU

Year: 171 Days

Day: 12.9 Hours

Environment

Temp: 158 °C

Axial Tilt: 39 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 60,740,439 km

• M1: 13,913 km (0.036 R)
• M2: 24,684 km (0.106 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.28

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.73 AU - 0.75 AU

Year: 235 Days

Day: 47.2 Hours

Environment

Temp: 108 °C

Axial Tilt: 37.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 60,740,439 km

• M1: 325,076 km (0.092 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.64 AU - 0.84 AU

Year: 235 Days

Day: 12.8 Hours

Environment

Temp: 184 °C

Axial Tilt: 48 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.15 AU - 1.29 AU

Year: 497 Days

Day: 25 Hours

Environment

Temp: 0 °C

Axial Tilt: 45.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 60,740,439 km

• M1: 276,457 km (0.11 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.8 AU - 2.46 AU

Year: 1147 Days

Day: 29.1 Hours

Environment

Temp: -74 °C

Axial Tilt: 7.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 60,740,439 km

• M1: 64,776 km (0.086 R)
• M2: 849,566 km (0.115 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.95 AU - 3.93 AU

Year: 2354 Days

Day: 38.1 Hours

Environment

Temp: -124 °C

Axial Tilt: 18.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 10.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.1

Radius: 10.3

Gravity: 9.26 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 8.38 AU - 11.9 AU

Year: 11913 Days

Day: 5.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,740,439 km

• M1: 128,654 km (0.028 R)
• M2: 452,982 km (0.092 R)
• M3: 1,133,054 km (0.071 R)
• M4: 1,700,030 km (0.078 R)
• M5: 2,660,598 km (0.111 R)
• M6: 4,154,632 km (0.081 R)
• M7: 5,082,887 km (0.058 R)
• M8: 6,542,364 km (0.066 R)
• M9: 8,168,343 km (0.097 R)
• M10: 8,504,041 km (0.104 R)
• M11: 9,254,423 km (0.101 R)
• M12: 12,639,973 km (0.057 R)
• M13: 13,351,760 km (0.099 R)
• M14: 13,953,741 km (0.051 R)
• M15: 15,501,631 km (0.101 R)
• M16: 16,091,794 km (0.061 R)
• M17: 21,913,694 km (0.101 R)
• M18: 23,417,751 km (0.116 R)
• M19: 29,336,591 km (0.101 R)
• M20: 32,101,908 km (0.119 R)
• M21: 38,145,512 km (0.118 R)
• M22: 40,041,516 km (0.11 R)
• M23: 41,715,965 km (0.069 R)
• M24: 42,141,720 km (0.077 R)
• M25: 45,653,381 km (0.117 R)
• M26: 46,257,008 km (0.098 R)
• M27: 49,039,528 km (0.099 R)
• M28: 50,311,260 km (0.078 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 524 - 17,925 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit